Function FindDeclRef

InsightsHelpers.cpp:1503–1526

* Go deep in a Stmt if necessary and look to all childs for a DeclRefExpr. */

 * Go deep in a Stmt if necessary and look to all childs for a DeclRefExpr.
 */
const DeclRefExpr* FindDeclRef(const Stmt* stmt)
{
    if(const auto* dref = dyn_cast_or_null<DeclRefExpr>(stmt)) {
        return dref;
    } else if(const auto* arrayInitExpr = dyn_cast_or_null<ArrayInitLoopExpr>(stmt)) {
        const auto* srcExpr = arrayInitExpr->getCommonExpr()->getSourceExpr();

        if(const auto* arrayDeclRefExpr = dyn_cast_or_null<DeclRefExpr>(srcExpr)) {
            return arrayDeclRefExpr;
        }
    } else if(const auto func = dyn_cast_or_null<CXXFunctionalCastExpr>(stmt)) {
        //        TODO(stmt, "");
    }

    if(stmt) {
        for(const auto* child : stmt->children()) {
            if(const auto* childRef = FindDeclRef(child)) {
                return childRef;
            }
        }
    }

    return nullptr;
}
//-----------------------------------------------------------------------------

std::string GetName(const VarDecl& VD)